102668385 has 8 divisors (see below), whose sum is σ = 164269440. Its totient is φ = 54756464.

The previous prime is 102668383. The next prime is 102668393. The reversal of 102668385 is 583866201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102668385 - 2¹ = 102668383 is a prime.

It is a super-4 number, since 4×102668385⁴ (a number of 33 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (102668383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3422265 + ... + 3422294.

It is an arithmetic number, because the mean of its divisors is an integer number (20533680).

Almost surely, 2^102668385 is an apocalyptic number.

102668385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102668385 is a deficient number, since it is larger than the sum of its proper divisors (61601055).

102668385 is an equidigital number, since it uses as much as digits as its factorization.

102668385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6844567.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 102668385 is about 10132.5408955503. The cubic root of 102668385 is about 468.2512120152.

The spelling of 102668385 in words is "one hundred two million, six hundred sixty-eight thousand, three hundred eighty-five".